CN105102800B - Gas prints circuit heat exchanger - Google Patents

Gas prints circuit heat exchanger Download PDF

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Publication number
CN105102800B
CN105102800B CN201380060920.6A CN201380060920A CN105102800B CN 105102800 B CN105102800 B CN 105102800B CN 201380060920 A CN201380060920 A CN 201380060920A CN 105102800 B CN105102800 B CN 105102800B
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China
Prior art keywords
heat exchanger
channel
passage
gas
fluid
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Active
Application number
CN201380060920.6A
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Chinese (zh)
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CN105102800A (en
Inventor
Y-J.蔡
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Alfa Laval Corhex Ltd
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Corhex Corp
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
    • F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/06—Apparatus for de-liquefying, e.g. by heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
    • F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
    • F02M31/10—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot liquids, e.g. lubricants or cooling water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
    • F02M31/16—Other apparatus for heating fuel
    • F02M31/18—Other apparatus for heating fuel to vaporise fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/006—Preventing deposits of ice
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0302—Heat exchange with the fluid by heating
    • F17C2227/0309—Heat exchange with the fluid by heating using another fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/05—Regasification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/066—Fluid distribution for feeding engines for propulsion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
    • F28D2021/0064—Vaporizers, e.g. evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/06—Fastening; Joining by welding
    • F28F2275/061—Fastening; Joining by welding by diffusion bonding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F23/00—Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions
    • F28F23/02—Arrangements for obtaining or maintaining same in a liquid state
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
    • Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Ocean & Marine Engineering (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The present invention relates to 3 D tunnel gas heat exchangers.3 D tunnel gas heat exchangers include：Multiple heat exchanger plates, it is configured with for exchanging the hot heating surface cell formed on the side of heat exchanger plate；With multiple passages, it is formed between multiple heat exchanger plates, and wherein, multiple passages include：First passage, it is configured to transport the first fluid with the first temperature by first passage；Second channel, it is configured to transport second fluid by second channel, for transferring heat to the first fluid with the first temperature；And third channel, it is configured to when the temperature (T) of second fluid is less than predetermined temperature value (Tref), at least some in second channel by transferring heat to, and prevents from freezing in second channel.

Description

Gas prints circuit heat exchanger
Technical field
The present invention relates to three-dimensional (3-D) tunnel gas heat exchanger, the gas heat-exchanger by performing on a metal plate Diffusion bond and be made, in the metallic plate, using photoetch and top plate be then soldered to metallic plate and form thin passage, with Just vaporize LNG or cool down the process gas with high temperature for chemical process.
More particularly it relates to 3-D tunnel gas heat exchangers, it can be in extreme low temperature or high temperature and high pressure ring Used under border, there is the volume more much smaller than existing shell and tube heat exchanger, the thermal source or thermal source flowed in passage can be made In freeze clogging or due to caused by the difference of temperature and pressure fracture by fatigue phenomenon minimize, and its pass through force point From with mixing and with high heat transfer coefficient and improved pressure-resistant property.
Background technology
International Maritime Organization discloses MARPOL (prevention of the pollution from ship) regulations, to reduce from the big of ship Gas pollutes, and makes great efforts to reduce atmosphere pollution to 5 to 20% levels of current discharge capacity.Therefore, worldwide grind is carried out Study carefully, to substitute existing heavy oil series bunker oil (that is, the fuel for ship) using liquefied natural gas (LNG).
It is consistent with this rule, there is the ship for using LNG as fuel in Coast of Europe.Because spitkit uses few The LNG of amount and there is short navigation served distance, so spitkit is with LNG fuel reservoirs (it is with low capacity), and make With the fuel gas with low pressure.On the contrary, the LNG fuel reservoirs for needing to have Large Copacity because of large ship, use are very big The fuel of amount and there is big motive force, thus large ship need to use using 2 Stroke Engines of direct driving method with Just fuel efficiency is increased.
In order to obtain the natural gas with high pressure, it is necessary to hp heat exchanger for vaporizing pole cryogenic substance.Meeting should The heat exchanger of demand include about 100 years before research and development and now still in the shell-and-tube exchanger used, there are multiple tube banks Tube coil type heat exchanger and fin tube type heat exchanger (wherein pin be attached to pipe).
Moreover, as opposite concept, in many factories, in order to cool down or condense the Process Gas with high temperature and high pressure Body, the process of the main low-temperature receiver (such as water or refrigerant) being flow to using making in the secondary wing passage of heat exchanger.
It was reported that due to problems with, existing heat exchanger (such as, shell and tube heat exchanger or tube coil type heat exchanger) It is unsuitable for the high pressure LNG vaporization device of ship promoted for natural gas.
First, in the shell and tube heat exchanger for being designed and manufactured as using under high pressure and pole low temperature environment, due to Difference between the thick tube sheet of tolerance high pressure and the thermal capacity of relatively thin pipe, fracture by fatigue are likely to send out in joint It is raw.
Second, shell and tube heat exchanger etc. inevitably relies on the length of pipe, to increase heating region, and due to low Compactness and need large scale and heavier weight.
3rd, due to large scale, the size of the insulation booth of the entrance and exit for blocking heat further increases, and therefore Greatly increase the installing space in cost and ship.
Problem is equally produced for vaporizing high pressure and cryogenic material and condensing or cool down high pressure and the purposes of high-temperature gas In.
In addition to the above-mentioned problems, ask more insoluble in application printing circuit heat exchanger (PCHE) 10 also be present Topic, it was known that the printing circuit heat exchanger 10 is applied to the hp heat exchanger shown in fig 1 and 2.Therefore, using PCHE 10 system not yet occurs, and this problem is also present in for the process gas cooler of chemical plant and for the natural of ship In gas vaporizer.
First, produce and freeze, i.e., following phenomenon, in the phenomenon, the shallow freezing of passage 2, for heating in extremely low temperature Under flow to the thermal source of the LNG temperature in passage 1 and pass through the passage 2.In order to avoid the phenomenon is flat it is necessary to have 2mm or bigger The big passage of equal hydraulic diameter (that is, the size for the passage that can be made by existing light etching process).With big average hydraulic The passage of diameter makes it difficult to use existing PCHE 10, because its technology restriction and economic restriction without falling into light etching process It is interior.
Second because for vaporize or the thermal source of cooling gas (or low-temperature receiver) travelled across for a long time with low velocity it is small logical Road 2, therefore heat transfer rate significantly lowers because of clogging and scale formation, in clogging, passage 2 is by foreign substance Block, and significant incrustation scale covering is become in scale formation, on the inside of passage.Specifically, this scale problems be The problem of PCHE after the cooler commercialization as the process gas for factory to cause most complaints.Moreover, the problem Can even it very likely take place in high pressure LNG vaporization device, the vaporizer is not yet researched and developed and applied so far.
Due to clogging and scale formation, the PCHE 10 must pass through high pressure washing or the burning using high-temperature gas To clean and be then reassembled with.For that purpose it is necessary to ship or factory corresponding to stopping, but due to the characteristic of system, stop whole Individual system is difficult.
Therefore, it is necessary to the solution of these problems.
The content of the invention
Technical problem
Accordingly, it is considered to the present invention has been made to above mentioned problem, and it is an object of the invention to provide a kind of 3-D tunnel gas heat Exchanger, it can make the fracture by fatigue phenomenon under extremely low temperature intrinsic in existing shell and tube heat exchanger or high temperature and high pressure environment Minimize, make the blocking freezed clogging or be attributed to foreign substance in thermal source service duct and the change of the fluid because using Possibility is blocked caused by shape to minimize, make heat transfer characteristic most by the separated and mixing of the repetition of the breather pipe in passage Smallization and 2mm is increased to by the average hydraulic diameter of the passage for flowing through thermal source or bigger average hydraulic diameter is (that is, existing Have PCHE for technology and the limit of economic cause) make volume minimization.
The technical purpose realized by the present invention is not limited to above-mentioned purpose, and according to following explanation, not yet describes above Other technologies purpose will become obvious for the technical staff in the field belonging to the present invention.
Issue-resolution
The purpose of the present invention can realize that it is used in ship by a kind of 3-D tunnel gas heat exchanger, including：It is more Individual heat exchanger plate, it is configured with for exchanging the hot heating surface cell formed on the side of heat exchanger plate；With it is more Individual passage, it is formed between multiple heat exchanger plates, and wherein, multiple passages include：First passage, it is configured to by first Passage transports the first fluid with the first temperature；Second channel, its be configured to by second channel transport second fluid, with In transferring heat to the first fluid with the first temperature；And third channel, it is configured to when the temperature (T) of second fluid is less than During predetermined temperature value (Tref), at least some prevent from freezing in second channel by transfer heat in second channel.
Moreover, the shape of multiple heat exchanger plates can be rectangle, it is square and at least one of avette and multiple for providing Multiple channel slots of passage may be formed on the one or both sides of multiple heat exchanger plates.
Moreover, multiple channel slots can be by least one of engraving method, process for stamping and mechanical processing method come shape Into.
Moreover, multiple heat exchanger plates may include：First heat exchanger plate, it is configured to define first passage；Second heat exchange Plate, it configures near the first heat exchanger plate and is configured to define second channel；With the 3rd heat exchanger plate, it is configured in the second heat Power board is neighbouring and is configured to define third channel.
Moreover, the heating surface cell of the second heat exchanger plate may include with linearly extended solid unit and with special angle From the intersecting angle unit of solid unit bending, the solid unit and intersecting angle unit can be the form of repetition, solid unit Length can be 8 to 200mm, and the length of intersecting angle unit can be 2-5mm.
Moreover, first passage, second channel and third channel can be a plurality of, multiple second channels are configurable on multiple the One passage proximate, and multiple third channels are configurable near multiple second channels.
It is moreover, each with 2 to 10mm diameter in second channel.
Moreover, 3-D tunnel gas heat exchanger can be used in ship, first fluid can be LNG, and second fluid can be temperature At least one of mixture of water, high-temperature steam and water and antifreezing agent.
Moreover, 3-D tunnel gas heat exchanger can be used in gas factory, first fluid can be propane, ethane, ammonia and cold At least one of water, and second fluid can be high-temperature gas.
Moreover, 3-D tunnel gas heat exchangers may also include covering, the covering is used for the heat exchange in multiple stackings The plurality of heat exchanger plate of outside-supporting of plate.
The Beneficial Effect of invention
According to the 3-D heat exchangers of the present invention, blocked now because of channel blockage phenomenon caused by freezing or caused by impurity As that can be significantly improved, because the size of passage is much larger than the scope that can manufacture common PCHE.
It is additionally, since from the LNG passages for extremely low temperature and the alternate channel flowed through without any object and is placed on hot friendship Change near medium channel (second channel), therefore the side of heat exchange media channel (second channel) is protected against cold air shadow Ring, and the slope of environment temperature becomes to relax.Therefore, advantage is, the channel blockage phenomenon caused by freezing can be improved And thermal stress and thermal shock can be reduced.
Moreover, it is short that the solid section of heat exchanger plate, which is long and heat exchanger plate intersecting angle part, so that holding Row action of forced stirring.Therefore, advantage is, the phenomenon that is blocked by the action of forced stirring of fluid, passage by foreign substance and passage by The phenomenon of incrustation scale covering can substantially reduce, and heat transfer coefficient maximizing.
The effect above can be not limited to by the effect that the present invention realizes, and according to following explanation, the neck belonging to the present invention The technical staff in domain will readily recognize that other effects not yet described.
Brief description of the drawings
Fig. 1 is the perspective view of conventional heat exchanger.
Fig. 2 is the preceding profile of conventional heat exchanger.
Fig. 3 is the preceding profile of 3-D tunnel gas heat exchangers according to a first embodiment of the present invention.
Fig. 4 is the perspective view of the heating surface cell of the second heat exchanger plate shown in Fig. 3.
Fig. 5 is the plan of the heating surface cell shown in Fig. 4.
Fig. 6 is the preceding profile of 3-D tunnel gas heat exchangers according to the second embodiment of the present invention.
Fig. 7 is the preceding profile of 3-D tunnel gas heat exchangers according to the third embodiment of the invention.
Fig. 8 is the loop diagram using the carburetion system of the 3-D tunnel gas heat exchangers of the present invention.
Embodiment
Hereafter, the example embodiment of the present invention is described in detail with reference to the accompanying drawings.In the example embodiment of the description present invention Operating principle when, however, when the detailed description for determining correlation function or construction makes subject of the present invention unnecessarily unclear When, the detailed description will be omitted.
Moreover, indicate the element with similar functions and operation using identical label through accompanying drawing.In entire disclosure In, when one element of description couples with an element, an element can directly couple or can pass through with another element 3rd element and this another element couples indirectly.
Moreover, when narration element includes any element, it means that, the element does not repel other elements, but may be used also Including another element, unless otherwise described.
The printing loop heat exchange (PCHE) for being developed to supplement conventional shell and tube heat exchanger can produce as follows Phenomenon, in the phenomenon, (thermal source for being used to heat the LNG flowed into the passage under extremely low temperature temperature passes through on the surface of passage The passage) freeze, and thus it requires with 2mm or bigger average hydraulic diameter (that is, can by existing light etching process come The size of the passage of manufacture) larger passage to avoid the phenomenon.However, the passage with big average hydraulic diameter causes It is difficult to use existing PCHE, because in its technology restriction and economic restriction without falling into photo-etching process.
Moreover, in the heat exchanger plate of common heat exchangers, because clogging and scale formation, heat transfer rate are notable Reduce, in clogging, passage is blocked by foreign substance, and significant incrustation scale is become in scale formation, on the inside of passage Covering
The present invention has been made to solve general issues, and it is an object of the invention to provide 3-D tunnel gas heat exchangers, its Minimize fracture by fatigue phenomenon under extremely low temperature or high temperature and high pressure environment that can be intrinsic in existing shell and tube heat exchanger, Make the blocking freezed clogging or be attributed to foreign substance in thermal source service duct and cause because of the deformation using fluid Blocking possibility minimize, by the breather pipe in passage repeatedly separate and mix make heat transfer characteristics maximize and Volume minimization is made by the average hydraulic diameter for the passage for increasing existing shell and tube heat exchanger, passes through the existing shell-tube type Heat exchanger, thermal source flow to 2mm or bigger average hydraulic diameter (that is, existing PCHE for technology and economic cause Limitation).
<Construction and function>
The construction and function of the 3-D tunnel gas heat exchanger 100 according to the first embodiment of the present invention is described below.
Meanwhile Fig. 3 is the preceding profile according to the 3-D tunnel gas heat exchangers of the first embodiment of the present invention.
First, as shown in FIG. 3,3-D tunnel gas heat exchanger 100 may include first the 110, second heat of heat exchanger plate Power board 120, the 3rd heat exchanger plate 130 and covering 180
Fig. 3 element is not essential, and the achievable 3-D paths heat with element fewer than Fig. 3 element or more Exchanger 100.
Be described below figure 3 illustrates element in it is each.
Multiple first, second, and third heat exchanger plates 110,120 and 130 stack, and covering 180 is covered in first, the On two outsides of the two and the 3rd heat exchanger plate 110,120 and 130.
First, second, and third heat exchanger plate 110,120 and 130 can have rectangle, square and any of avette, and Surface cell is heated to be formed in each in first, second, and third heat exchanger plate 110,120 and 130.
If it is necessary, the shape of first, second, and third heat exchanger plate 110,120 and 130 is variable in echelon, rhombus, flat The deformation of row quadrangle or polygon or circle.
Here, each there is semicircular first passage groove 112 to be formed in the first heat exchanger plate 110.Moreover, formed Second channel groove 124 in each in second heat exchanger plate 120 is symmetrically fovea superior and recessed semicircle recessed channel, therefore is become Into figure 3 illustrates second channel groove 124 shape.
Third channel groove 132 (i.e. half slot) is formed in the 3rd heat exchanger plate 130 as in the first heat exchanger plate 110 In it is each in.
First, second, and third channel slot 112,124 and 132 can pass through engraving method, process for stamping and machining side At least one of method makes.
More specifically, needed for being made by papering photoresist on the surface by heat exchanger plate 110,120 and 130 Part it is photosensitive, and then corrode not photosensitive part using photolithography, so as to handle first, second, and third channel slot 112nd, 124 and 132.
Moreover, in order to promote heat exchange, the first and second channel slots 112,124 and 132 are formed with specific interval.
First is respectively formed at first passage 110, second channel 120 and third channel to third channel 150,160 and 170 In 130.First stacks to third channel 150,160 and 170, and is formed in multiple heat exchanger plates 110,120 and 130.
In order that heat transfer maximizes, first, second, and third passage 150,160 and 170 is formed and leaned on farthest On nearly mutual line.
If using 3-D tunnel gas heat exchanger 100 in ship, LNG can flow through first passage 150, and be used for The heat exchange medium (second fluid) for providing the thermal source for vaporizing the LNG for flowing through first passage 150 flows through second channel 160. Warm water and high-temperature steam can be used as heat exchange medium.
On the contrary, different from the 3-D tunnel gas heat exchanger 100 in ship, being handed over if 3-D tunnel gas is hot Parallel operation 100 is used in gas factory, then refrigerant flows through first passage (for such as propane, ethane, ammonia or the water of cryogen) 150, and the high-temperature gas for transferring heat to the cryogen for flowing through first passage 150 flows through second channel 160.
Third channel 170 is alternate channel and when the phenomenon that second channel 160 blocks, or when first passage 150 because Used when fouling to second channel 160 without fully transmitting hot.
More specifically, third channel 170 configures close to second channel 160.If due to freezeout, in second channel The middle temperature (T) that second fluid occurs is less than the situation of predetermined temperature value (Tref), then in order to melt the generation of second channel 160 A part for freezeout, heat is supplied to second channel 160 by third channel 170, so that second channel 160 can be grasped normally Make.
As described above, first passage 150 is handed over the first heat by being configured to be formed by a pair of heat exchanger plates 110 at this The first passage groove 112 changed in plate 110 is faced each other and formed.
More specifically, the first heating surface cell formed in the form of semicircle in the first heat exchanger plate 110 (does not show Go out) in first passage groove 112 be configured to face each other, as a result two channel slots 112 are combined to be formed in first passage 150 It is each, i.e. a big circular channel.Similarly, a pair of the 3rd heat exchanger plates 130 face each other configuration, so as to form the 3rd Passage 170.
Similarly, a pair of second heat exchanger plate 120 configurations are shaped as the second channel 160 each with 3-D etching shapes, As shown in Figure 3.
Second heat exchanger plate 120 closely adheres to the side for the first heat exchanger plate 110 for providing first passage 150.
And, there is provided the 3rd heat exchanger plate 130 of third channel 170 configures to be tightened with the second heat exchanger plate 120 at it Thickly adhere on the opposite side in side of the first heat exchanger plate 110, to form third channel 170.
As described above, multiple first, second, and third heat exchanger plates 110,120 ands of the configuration with identical set structure 130.For supporting the covering 180 of first, second, and third heat exchanger plate 110,120 and 130 to configure first in the structure, Second and the 3rd heat exchanger plate 110,120 and 130 two ends.
As a result, first passage 150 and second channel 160 be close to configuring each other, and second channel 160 is close to third channel 170 ground configure.Here, fluid, under normal circumstances without flow through third channel 170, but when clogging occurs, fluid flows through Third channel 170.
As described above, third channel 170 (i.e. alternate channel) is placed on second channel 160 (i.e. heat exchange media channel) On side, to protect second channel 160 to be influenceed from cold air.Therefore, being attributed to the channel blockage phenomenon freezed can be minimum Change.
Meanwhile Fig. 4 be figure 3 illustrates the second heat exchanger plate 120 heating surface cell 121 perspective view.Moreover, Fig. 5 be figure 4 illustrates heating surface cell 121 plan.
As shown in figures 4 and 5, specifically, the heating surface cell 121 of the second paired heat exchanger plate 120 stacks To provide second channel 160, the heating surface cell 121 of the second paired heat exchanger plate 120 is configured with same shape And there are multiple through holes formed therein.
In the present invention, the heating surface cell 121 of the second heat exchanger plate 120 is leftward or rightward with about 10mm interval Slight bending about 30.
More specifically, heat each including with linearly extended solid unit 122 and from the reality in surface cell 121 The intersecting angle unit 123 that heart unit 122 is bent with special angle.Solid unit 122 and intersecting angle unit 123 repeat, with Generally form the passage with wave shape.
The length of solid unit 122 is 8 to 200mm, and the length of intersecting angle unit 123 is 2 to 5mm.
As described above, the length of solid unit 122 maximumlly extends, and intersecting angle unit 123 minimizes ground and shortened, So as to can help to manufacture, and rigid and pressure-resistant property can be improved, therefore, can be achieved not allowing the effect of flexible heat exchanger plate.
Moreover, solid unit 122 be made as it is longer than intersecting angle unit 123, so as to substantially reduce clogging and knot Dirty phenomenon, therefore, heat transference efficiency can be significantly improved, in clogging, passage is blocked by foreign substance, in scale formation In, the inner side of passage is covered by incrustation scale.
Moreover, it is about 2 by stacking heating surface cell 121 and the average hydraulic diameter of the second channel 160 provided To 10mm, i.e. 2mm or bigger, this is the common PCHE limit.Therefore, occur in the second channel 160 for supplied heat source Freeze clogging and can minimize.
Meanwhile Fig. 6 is the preceding profile of 3-D tunnel gas heat exchanger 100 according to the second embodiment of the present invention.
As shown in FIG. 6,3-D tunnel gas heat exchanger 100 according to the second embodiment of the present invention includes more Individual first, second, third and fourth heat exchanger plate 110,120,130 and 140 and covering 180, the covering 180 are used for Handed in structure in two ends of first, second, third and fourth heat exchanger plate supporting first, second, third and fourth heat Change plate 110,120,130 and 140.
More specifically, the first heat exchanger plate 110 is configured on the side of the 4th heat exchanger plate 140, to form first Passage 150, semi-circular channel groove 112 is formed in first heat exchanger plate 110.Form a pair second heat of second channel 160 Power board 120 is configured on the opposite side of the 4th heat exchanger plate 140, so that first passage 150 does not connect with second channel 160.
This is combined to the second heat exchanger plate 120 to form second channel 160.
It is in contact with it moreover, the 3rd heat exchanger plate 130 configures in the second heat exchanger plate 120 with the 4th heat exchanger plate 140 The opposite side in side on, so as to provide third channel 170.
As described above, configure multiple first, second, third and fourth heat exchanger plates 110,120,130 and 140 and they Two ends are covered by 180 coverings, so as to provide 3-D tunnel gas heat exchangers according to the second embodiment of the present invention 100。
Meanwhile Fig. 7 is the preceding profile of 3-D tunnel gas heat exchanger 100 according to the third embodiment of the invention.
As shown in FIG. 7,3-D tunnel gas heat exchanger 100 according to the third embodiment of the invention include first, Second and the 3rd heat exchanger plate 110,120 and 130 (in each of which, symmetrically towards upper and be formed down semicircle recessed Enter groove), the 4th heat exchanger plate 140 and covering 180, the covering 180 is used in the structure first, second, third and the Two ends support first, second, third and fourth heat exchanger plate 110,120,130 and 140 of four heat exchanger plates.Here, First, second, third and fourth heat exchanger plate 110,120,130 and 140 stacks.
First, the first heat exchanger plate 110 provides first passage 150, etches to be formed by 3-D in first heat exchanger plate Channel slot.
Combined moreover, each having with a pair of second heat exchanger plates 120 of the identical shape of the first heat exchanger plate 110 to carry For second channel 160 shown in the figure 7.
3rd heat exchanger plate 130 provides threeway as during providing first passage 150 in the first heat exchanger plate 110 Road 170.
Moreover, the 4th heat exchanger plate 140 is between the first and second heat exchanger plates 110 and 120 and between second and Between three heat exchanger plates 120 and 130, so as to the second heat exchanger plate 120 second channel 160 not with first and third channel 150 With 170 contacts.
More specifically, the 4th heat exchanger plate 140 is configured the two of the first heat exchanger plate 110 for providing first passage 150 On side, so that second channel 160 of the first passage 150 not with the second heat exchanger plate 120 connects.
Moreover, the 4th heat exchanger plate 140 is also disposed on the both sides for the second heat exchanger plate 120 for providing second channel 160, So as to first and third channel 150 and 170 not with communicating with each other.
As described above, multiple first, second, third and fourth heat exchanger plates 110,120,130 and 140 are configured, and they Two ends be covered by 180 coverings, so as to provide 3-D tunnel gas heat exchangers according to the third embodiment of the invention 100。
<Operating process>
The operation of 3-D tunnel gas heat exchanger 100 according to a first embodiment of the present invention is described below with reference to Fig. 3 Process.
First, the fluid with low temperature (first fluid) and the heat exchange medium (second fluid) with high temperature pass through outside Pipe (not shown) reaches 3-D tunnel gas heat exchanger 100.
Next, the first fluid with low temperature flows through formed in the first heat exchanger plate 110 of heat exchanger 100 One passage 150, and transmit with low temperature first fluid heat exchange medium flow through 3-D etching and in the second heat exchanger plate The second channel 160 widely formed in 120.
Because vortex phenomenon, heat are close with flowing through in the first fluid for flowing through the first passage 150 of the first heat exchanger plate 110 More quickly exchanged between the heat exchange medium of the second channel 160 of first passage 150.
Now, if heat exchange medium flows through second channel 160 due to freezeout and under special datum or lower, Then the fluid with high temperature is transmitted by the third channel 170 (that is, alternate channel) of the 3rd heat exchanger plate 130, therefore solves to freeze Phenomenon is tied, so that heat exchange medium can normally flow through second channel 160.
Finally, the first fluid for flowing through first passage 150 is discharged to 3-D tunnel gas at high temperature by heat exchange The outside of heat exchanger 100, and the heat exchange medium with high temperature of second channel 160 is flowed through by heat exchange and at low temperature It is discharged to the outside of 3-D tunnel gas heat exchanger 100.
<3-D tunnel gas heat exchanger application to carburetion system example>
The 3-D tunnel gas heat exchanger 100 that the present invention is described below is applied to the example of carburetion system.
First, Fig. 8 is the loop diagram of carburetion system, and 3-D tunnel gas heat exchanger 100 of the invention is applied to the vaporization System.
As shown in FIG. 8, the carburetion system may include heat exchanger 100, pipe 200, hot supply pipe 300, valve 400, convex Edge 500 and insulation booth 600.
First, pipe 200 includes the first pipe 210 and the second pipe 220, and LNG stream crosses the first pipe 210, passes through the vapour of heat exchanger 300 The natural gas of change flows through the second pipe 220.
Hot supply pipe 300 includes the second import 310 and second outlet 320.Heat exchange medium with high temperature passes through second Import 310 introduces, and then experience utilizes the heat exchanging process for passing through the LNG of some in heat exchanger 100.The heat exchange is situated between Qualitative change is the heat exchange medium with low temperature and is then discharged out to second outlet 320.
The quantity for the heat exchanger that carburetion system includes can be 2 to 4.Each in heat exchanger 100 have 33 to 100% performance.Under normal circumstances, one to three heat exchanger 100 is operable, still, if it is necessary, then operable one Or two extra heat exchangers 100.
Flange 500 is configured in each in insulation booth 600, and is configured to repair heat exchanger when leaking and occurring 100 identify and divulge information with performing.
Insulation booth 600 is configured in the outside of heat exchanger 300, and is configured to prevent heat exchanger by vacuum and insulation 300 contact with extraneous air, to prevent that condensation and icing occurs in the outside of heat exchanger 100.
The operating process of carburetion system is described below.First, heat exchange of the second import 310 supply with high temperature is passed through Medium.Then, by high-pressure pump be pressurized LNG be supplied only to heat exchanger 100, the heat exchanger 100 extremely low temperature (about- 163) used under by the first import 230.
Measure the LNG outlet temperatures and Dang Re of the supply when LNG reaches heat exchanger 100 by pipe 200 and passes through its Exchange media reaches heat exchanger 100 by pipe 200 and passes through its caused pressure differential.Outlet temperature and pressure based on measurement Power difference checks whether the second channel 160 of heat exchanger 100 is blocked.
If as the result checked, the second channel 160 of heat exchanger 100 is unplugged, then checks in insulation booth 600 Whether pressure has raised.
If as the result checked, the pressure in insulation booth 600 does not raise, then is handed between LNG and heat exchange medium Heat exchange.If on the contrary, as the result checked, the pressure rise in insulation booth 600, then problematic heat exchanger 100 is cut off And the heat exchanger 100 that driving is standby.
Then, after insulation booth 600 is purged and divulged information, the vacuum of problematic heat exchanger 100 is recovered, and The heat exchanger 100 of recovery is used as standby heat exchanger 100.
Meanwhile if the second channel 160 of heat exchanger 100 blocks in above process, cut off problematic heat and hand over Parallel operation 100 simultaneously drives standby heat exchanger 100.
By by heat exchange medium supplied to problematic heat exchanger 100 third channel 170 come extensive to freezing to carry out It is multiple, and the heat exchanger 100 of recovery is used as standby heat exchanger 100.
Moreover, LNG produces vaporization by heat exchange, and therefore LNG becomes vaporized natural.The vaporized natural Discharged by first outlet 240.By heat exchange, the heat exchange medium with high temperature passes through the row of second outlet 320 at low temperature Go out.
Therefore, when produce in the second channel the thermal source being used freeze or block phenomenon when, the heat that is used Exchanger 100 switches to standby heat exchanger 100, as a result, continues to supply gas fuel.Moreover, heat is provided to the 3rd Passage 170 (that is, alternate channel) so as to solve to occur in second channel 160 freeze or clogging, it is normal so as to allow Operation.As a result, the security of carburetion system can further be increased.
<3-D tunnel gas heat exchanger application to gas factory example>
The application of 3-D tunnel gas heat exchanger 100 of the present invention is described below to the example of gas factory.Main description Example and of the invention 3-D tunnel gas heat exchange of the application of 3-D tunnel gas heat exchanger 100 of the present invention to gas factory The application of device 100 is to the difference between the example of carburetion system, and the explanation for ignoring or briefly providing same configuration and acting on.
First, substantially have and application to carburetion system using the 3-D tunnel gas heat exchanger 100 to gas factory The identical of 3-D tunnel gas heat exchanger 100 construction.
Gas factory may include heat exchanger 100, pipe 200, hot supply pipe 300, valve 400, flange 500 and insulation booth 600.
These elements perform the element identical function with carburetion system.
In gas factory, different from the gas factory for ship, cold water or refrigerant (that is, have the stream of low temperature Body) flow through the first pipe 210.Cold water is changed into high temperature through heat exchanger 300, and thus flows through the second pipe 220.
Moreover, with reference to figure 3, cold water or refrigerant (that is, cryogen) flow through first passage 150.High-temperature gas flows through Two passages 160, the high-temperature gas are used to transfer heat to the cryogen for flowing through the first pipeline 150.
The operating process of gas factory is briefly described below.First, the supplying high temperature gas of the second import 310 is passed through. Then, low-temperature cold water is supplied to the heat exchanger 100 being used by the first import 230.
Then, when the second channel 160 of heat exchanger 100 blocks, check whether the pressure in insulation booth 600 has risen It is high.
If as the result checked, the pressure in insulation booth 600 is not raised, then cold water and high-temperature gas experience heat are handed over Change.If as the result checked, the pressure in insulation booth 600 has raised, then cuts off problematic heat exchanger 100 and drive Standby heat exchanger 100.
Then, after insulation booth 600 is purged and divulged information, vacuumized simultaneously with to problematic heat exchanger 100 Recovered, and be then used as standby heat exchanger 100.
Meanwhile if second channel 160 blocks in above process, cut off problematic heat exchanger 100 and drive Standby heat exchanger 100.
By the way that high-temperature gas is solved to freeze supplied to the third channel 170 of problematic heat exchanger 100, and will be extensive Multiple heat exchanger 100 is used as standby heat exchanger 100.
Moreover, by heat exchange, cold water is changed into high-temperature water, and the water is discharged by first outlet 240.By heat exchange, High-temperature gas is discharged by second outlet 320 at low temperature.
Above-mentioned 3-D tunnel gas heat exchanger 100 is not limited to the construction and method of above-described embodiment, but optionally group Some or all of embodiment is closed, to change these embodiments in a variety of ways.

Claims (10)

1. a kind of gas printing circuit heat exchanger (100), including：
Multiple heat exchanger plates (110,120,130), it is configured with forms for exchanging on the side of the heat exchanger plate Hot heating surface cell；With
Multiple passages (150,160,170), it is formed between the multiple heat exchanger plate (110,120,130),
Wherein, the multiple passage (150,160,170) includes：
First passage (150), it is configured to transport the first fluid with the first temperature by the first passage；
Second channel (160), it is configured to transport second fluid by the second channel, for transferring heat to institute State the first fluid of the first temperature；
Wherein, the printing circuit heat exchanger is 3-D path heat exchangers, and the multiple passage includes third channel (170), it is configured to when the temperature (T) of the second fluid is less than predetermined temperature value (Tref), by transferring heat to That states in second channel (160) at least some prevents from freezing in the second channel (160).
2. gas according to claim 1 prints circuit heat exchanger, it is characterised in that：
The multiple heat exchanger plate (110,120,130) is shaped as rectangle, square and at least one of avette, and
Multiple channel slots (112,124,132) for providing the multiple passage (150,160,170) are formed the multiple On the one or both sides of heat exchanger plate (110,120,130).
3. gas according to claim 2 prints circuit heat exchanger, it is characterised in that the multiple channel slot (112, 124th, 132) formed by least one of engraving method, process for stamping and machining process.
4. gas according to claim 1 prints circuit heat exchanger, it is characterised in that the multiple heat exchanger plate (110,120,130) include：
First heat exchanger plate (110), it is configured to define the first passage (150)；
Second heat exchanger plate (120), it is configured in first heat exchanger plate (110) nearby and to be configured to define described second logical Road (160)；With
3rd heat exchanger plate (130), it is configured nearby and is configured to define the threeway in second heat exchanger plate (120) Road (170).
5. gas according to claim 4 prints circuit heat exchanger, it is characterised in that：
The heating surface cell (121) of second heat exchanger plate (120) include with linearly extended solid unit (122) and with The intersecting angle unit (123) that special angle is bent from the solid unit (122), the solid unit (122) and the friendship The form for pitching angle-unit (123) to repeat, and
The length of the solid unit (122) be 8 to 200mm, and the length of the intersecting angle unit (123) be 2 to 5mm。
6. gas according to claim 1 prints circuit heat exchanger, it is characterised in that：
The first passage (150), the second channel (160) and the third channel (170) to be a plurality of,
The plurality of second channel (160) is configured near the plurality of first passage (150), and
The plurality of third channel (170) configuration is near the multiple second channel (160).
7. gas according to claim 1 prints circuit heat exchanger, it is characterised in that in the second channel (160) It is each have 2 to 10mm diameter.
8. gas according to claim 1 prints circuit heat exchanger, it is characterised in that：
The 3-D tunnel gas printing circuit heat exchanger (100) is used in ship,
The first fluid is liquefied natural gas, and
The second fluid is at least one of mixture of warm water, high-temperature steam and water and antifreezing agent.
9. gas according to claim 1 prints circuit heat exchanger, it is characterised in that
The 3-D tunnel gas printing circuit heat exchanger (100) is used in gas factory,
The first fluid is at least one of propane, ethane, ammonia and cold water, and
The second fluid is high-temperature gas.
10. gas according to claim 1 prints circuit heat exchanger, it is characterised in that also including covering (180), The covering (180) is used for the multiple heat exchange of outside-supporting in the heat exchanger plate (110,120,130) of multiple stackings Plate (110,120,130).
CN201380060920.6A 2012-11-22 2013-11-20 Gas prints circuit heat exchanger Active CN105102800B (en)

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KR10-2012-0132938 2012-11-22
KR1020120132938A KR101376531B1 (en) 2012-11-22 2012-11-22 Liquefied natural gas evaporating system for natural gas fueled ship
PCT/KR2013/010551 WO2014081182A1 (en) 2012-11-22 2013-11-20 3-d channel gas heat exchanger

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